From: Bill Joy <root@ucbvax.Berkeley.EDU>
Date: Wed, 3 Nov 1982 03:33:03 +0000 (-0800)
Subject: domain searching routines, &c
X-Git-Tag: BSD-4_1c_2-Snapshot-Development~1957
X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/commitdiff_plain/d0d50a8673c5141ac53caf5ef01491e0d4b27900

domain searching routines, &c

SCCS-vsn: sys/kern/uipc_domain.c 5.5
---

diff --git a/usr/src/sys/kern/uipc_domain.c b/usr/src/sys/kern/uipc_domain.c
index 649e198375..ffca28c56b 100644
--- a/usr/src/sys/kern/uipc_domain.c
+++ b/usr/src/sys/kern/uipc_domain.c
@@ -1,22 +1,116 @@
-/*	uipc_domain.c	5.4	82/10/10	*/
+/*	uipc_domain.c	5.5	82/11/02	*/
 
 #include "../h/param.h"
-#include "../h/systm.h"
-#include "../h/dir.h"
-#include "../h/user.h"
-#include "../h/reg.h"
-#include "../h/inode.h"
-#include "../h/proc.h"
-#include "../h/timeb.h"
-#include "../h/times.h"
-#include "../h/reboot.h"
-#include "../h/fs.h"
-#include "../h/conf.h"
-#include "../h/buf.h"
-#include "../h/mount.h"
-
-domain()
+#include "../h/socket.h"
+#include "../h/protosw.h"
+#include "../h/domain.h"
+
+#define	ADDDOMAIN(x)	{ \
+	extern struct domain x/**/domain; \
+	x/**/domain.dom_next = domains; \
+	domains = &x/**/domain; \
+}
+
+domaininit()
+{
+
+	ADDDOMAIN(unix);
+#ifdef INET
+	ADDDOMAIN(inet);
+#endif
+#ifdef PUP
+	ADDDOMAIN(pup);
+#endif
+#ifdef IMP
+	ADDDOMAIN(imp);
+#endif
+	pfinit();
+}
+
+/*
+ * Operations applying to the sets of protocols
+ * defined by the available communications domains.
+ */
+pfinit()
+{
+	register struct domain *dp;
+	register struct protosw *pr;
+
+	for (dp = domains; dp; dp = dp->dom_next)
+		for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++)
+			if (pr->pr_init)
+				(*pr->pr_init)();
+}
+
+struct protosw *
+pffindtype(family, type)
+	int family, type;
+{
+	register struct domain *dp;
+	register struct protosw *pr;
+
+	for (dp = domains; dp; dp = dp->dom_next)
+		if (dp->dom_family == family)
+			goto found;
+	return (0);
+found:
+	for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++)
+		if (pr->pr_type == type)
+			return (pr);
+	return (0);
+}
+
+struct protosw *
+pffindproto(family, protocol)
+	int family, protocol;
+{
+	register struct domain *dp;
+	register struct protosw *pr;
+
+	if (family == 0)
+		return (0);
+	for (dp = domains; dp; dp = dp->dom_next)
+		if (dp->dom_family == family)
+			goto found;
+	return (0);
+found:
+	for (pr = dp->dom_protosw; pr <= dp->dom_protoswNPROTOSW; pr++)
+		if (pr->pr_protocol == protocol)
+			return (pr);
+	return (0);
+}
+
+pfctlinput(cmd, arg)
+	int cmd;
+	caddr_t arg;
+{
+	register struct domain *dp;
+	register struct protosw *pr;
+
+	for (dp = domains; dp; dp = dp->dom_next)
+		for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++)
+			if (pr->pr_ctlinput)
+				(*pr->pr_ctlinput)(cmd, arg);
+}
+
+pfslowtimo()
+{
+	register struct domain *dp;
+	register struct protosw *pr;
+
+	for (dp = domains; dp; dp = dp->dom_next)
+		for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++)
+			if (pr->pr_slowtimo)
+				(*pr->pr_slowtimo)();
+}
+
+pffasttimo()
 {
+	register struct domain *dp;
+	register struct protosw *pr;
 
-	/* return a descriptor for the domain */
+	for (dp = domains; dp; dp = dp->dom_next)
+		for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++)
+			if (pr->pr_fasttimo)
+				(*pr->pr_fasttimo)();
 }